v3.22.0.1
Deposits - Maturities of Time Deposits (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Time Deposits By Maturity [Line Items]    
2022 $ 80,602  
2023 10,007  
2024 4,872  
2025 2,594  
2026 2,600  
2027 - thereafter 2,117  
Total 102,792 $ 73,543
U.S. [Member]    
Time Deposits By Maturity [Line Items]    
2022 48,842  
2023 9,616  
2024 4,747  
2025 2,342  
2026 2,335  
2027 - thereafter 1,445  
Total 69,327  
Non-U.S. [Member]    
Time Deposits By Maturity [Line Items]    
2022 31,760  
2023 391  
2024 125  
2025 252  
2026 265  
2027 - thereafter 672  
Total $ 33,465